Home / 403,320.95-604,998.12-119,011.50

Finding the Fourth Proportional to 403,320.95, 604,998.12 and 119,011.50

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Solution

The fourth proportional to 403,320.95, 604,998.12 and 119,011.50 is: 178,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,320.95 : 604,998.12 = 119,011.50 : x
  2. Step 2: Convert to fraction form
    403,320.95/604,998.12 = 119,011.50/x
  3. Step 3: Cross multiply
    403,320.95x = 604,998.12 × 119,011.50
  4. Step 4: Simplify right side
    403,320.95x = 72,001,733,758.38
  5. Step 5: Solve for x
    x = 72,001,733,758.38/403,320.95
  6. Step 6: Final answer
    x = 178,522.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.